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Moumoujus

PYRUS CYDONIA SEED.

Valuable CAS 90106-03-9 / ABRASIVE, SKIN CONDITIONING, VISCOSITY CONTROLLING

Pyrus Cydonia Seed, derived from quince seeds, is a multi-functional botanical extract highly valued for its exceptional hydrating, soothing, and astringent properties. It forms a protective layer on the skin, enhancing moisture retention while also refining pores and calming irritation.

Summary

Astringent Humectant Skin-Conditioning Agent

Science

Mechanism of Action

This extract functions primarily as a humectant and skin conditioner, creating a subtle film on the skin's surface to minimize transepidermal water loss and maintain hydration, resulting in a smoother texture. Its astringent action is attributed to partial complex formation with skin proteins, which aids in gentle exfoliation, pore constriction, and reduction of excess sebum and facial redness. Rich in polysaccharides, phenolic, and flavonoid compounds, it also confers significant anti-inflammatory, antioxidant, and anti-tyrosinase benefits, contributing to skin soothing, anti-aging effects, and improved resilience.

Research

Clinical Evidence

High confidence
Effective range 4–20%
Optimal

N/A

Key findings

  1. 01 demonstrated a significant improvement in skin hydration by up to 28.4% after three hours, sustained at up to 15.6% after 28 days of application in in vivo tests.
  2. 02 formulated into an emulgel, it exhibited good moisturizing and soothing effects.
  3. 03 is a recommended use level in skin care products.
  4. 04 is the recommended use range for COSMOS-certified extracts.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Pyrus Cydonia Seed Extract is an aqueous extract, suggesting good stability in water-based formulations.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

While CIR data is insufficient for cosmetics, acute oral, dermal, and ocular toxicity studies on its isolated polysaccharides (QSP) in mice and rabbits showed no abnormalities or irritation. The FDA considers Quince Seed Extract (Cydonia spp.) as Generally Recognized As Safe (GRAS) for use in food flavorings. EWG Skin Deep rates it 'LOW' for Cancer, Allergies & Immunotoxicity, and Developmental and Reproductive Toxicity, noting low availability of specific cosmetic studies.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Pyrus Cydonia Seed is a valuable ingredient, delivering significant hydration, soothing, and astringent benefits with low irritancy and comedogenicity, making it suitable for all skin types.

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